RotoBlox - Version 1.9 RotoBlox is a collection of nine different Tetris-clone games. It includes Classic Tetris, Advanced Tetris (same as Classic but includes special blox), Pentix, Advanced Pentix, Kid, Advanced Kid, Emptix, Advanced Emptix and Colortix. It has two types of game skill - Easy and Normal.As in the original game, the goal is to use different falling shapes to create complete horizontal lines without any gaps, which causes that lines to be removed.